Home / 131,430,623.91-197,104,008.63-45,148,225.11

Finding the Fourth Proportional to 131,430,623.91, 197,104,008.63 and 45,148,225.11

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Solution

The fourth proportional to 131,430,623.91, 197,104,008.63 and 45,148,225.11 is: 67,707,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430,623.91 : 197,104,008.63 = 45,148,225.11 : x
  2. Step 2: Convert to fraction form
    131,430,623.91/197,104,008.63 = 45,148,225.11/x
  3. Step 3: Cross multiply
    131,430,623.91x = 197,104,008.63 × 45,148,225.11
  4. Step 4: Simplify right side
    131,430,623.91x = 8,898,896,151,140,789
  5. Step 5: Solve for x
    x = 8,898,896,151,140,789/131,430,623.91
  6. Step 6: Final answer
    x = 67,707,935.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.